*{
    list-style: none;
    margin: 0;
    padding: 0;
}
body{
    background-image: url(../main/bg.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 100%;
}

/*页眉*/
header{
    height: 200px;
    /*border-top: solid 1px;*/
}
#banner{
    padding: 0 5px;
    /*background-color: #0b5ed7;*/
    height: 30px;
}
input,button{
    height: 20px;
    margin: 5px 0;
}
button{
    width: 50px;
}
h1{
    font-size: xx-large;
    text-align: center;

}
header div{
    margin-right: 0;
}

/*主要区域*/
main{
    margin-top: 50px;

}